You are Alice. You have agreed with your friend Bob that you will use the Diffie-Hellman public-key...

Question

You are Alice. You have agreed with your friend Bob that you will use the Diffie-Hellman public-key algorithm to exchange secret keys. You and Bob have agreed to use the public base g = 3 and public modulus p = 809.

You have secretly picked the value S_A = 17. You begin the session by sending Bob your calculated value of T_A. Bob responds by sending you the value T_B = 291.

What is the value of your shared secret key? Can you guess Bob’s secret value S_B and what it would be? Show steps of your calculations

David · Accepted Answer

1 
 
Diffie Hellman Exchange is a famous key exchange. It involves various operations like modulus 
and basic mathematics
1. Alice and Bob agree to use a prime number p = 809 and base g = 3 
2. Alice chooses a secret integer a = 17,

You are Alice. You have agreed with your friend Bob that you will use the Diffie-Hellman public-key algorithm to exchange secret keys. You and Bob have agreed to use the public base g = 3 and public...

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